Finding the Fourth Proportional to 612,430.16, 918,585.84 and 185,969.68
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Solution
The fourth proportional to 612,430.16, 918,585.84 and 185,969.68 is: 278,936.48
Step by Step Solution
- Step 1: Write the proportion equation
612,430.16 : 918,585.84 = 185,969.68 : x - Step 2: Convert to fraction form
612,430.16/918,585.84 = 185,969.68/x - Step 3: Cross multiply
612,430.16x = 918,585.84 × 185,969.68 - Step 4: Simplify right side
612,430.16x = 170,829,110,124.40 - Step 5: Solve for x
x = 170,829,110,124.40/612,430.16 - Step 6: Final answer
x = 278,936.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.